package com.badlogic.gdx.physics.box2d.joints;

import com.badlogic.gdx.physics.box2d.Joint;
import com.badlogic.gdx.physics.box2d.World;

/**
 * A rope joint enforces a maximum distance between two points on two bodies. It has no other effect. Warning: if you attempt to
 * change the maximum length during the simulation you will get some non-physical behavior. A model that would allow you to
 * dynamically modify the length would have some sponginess, so I chose not to implement it that way. See b2DistanceJoint if you
 * want to dynamically control length.
 */
public class RopeJoint extends Joint {
	/*JNI
#include <Box2D/Box2D.h>
	 */

    public RopeJoint(World world, long addr) {
        super(world, addr);
    }

    /**
     * Get the maximum length of the rope.
     */
    public float getMaxLength() {
        return jniGetMaxLength(addr);
    }

    private native float jniGetMaxLength(long addr); /*
		b2RopeJoint* rope = (b2RopeJoint*)addr;
		return rope->GetMaxLength();
	*/
}
